FR2574178B1 - Capteur interferometrique a fibre optique - Google Patents

Capteur interferometrique a fibre optique

Info

Publication number
FR2574178B1
FR2574178B1 FR8418398A FR8418398A FR2574178B1 FR 2574178 B1 FR2574178 B1 FR 2574178B1 FR 8418398 A FR8418398 A FR 8418398A FR 8418398 A FR8418398 A FR 8418398A FR 2574178 B1 FR2574178 B1 FR 2574178B1
Authority
FR
France
Prior art keywords
coupler
wave
arm
optical
measuring
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
FR8418398A
Other languages
English (en)
Other versions
FR2574178A1 (fr
Inventor
Pierre Ferdinand
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Electricite de France SA
Original Assignee
Electricite de France SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Electricite de France SA filed Critical Electricite de France SA
Priority to FR8418398A priority Critical patent/FR2574178B1/fr
Priority to EP85402374A priority patent/EP0185582B1/fr
Priority to DE8585402374T priority patent/DE3569823D1/de
Priority to AT85402374T priority patent/ATE42636T1/de
Publication of FR2574178A1 publication Critical patent/FR2574178A1/fr
Application granted granted Critical
Publication of FR2574178B1 publication Critical patent/FR2574178B1/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
    • G01D5/26—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light
    • G01D5/268—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light using optical fibres
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J9/00—Measuring optical phase difference; Determining degree of coherence; Measuring optical wavelength
    • G01J9/02—Measuring optical phase difference; Determining degree of coherence; Measuring optical wavelength by interferometric methods
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J9/00—Measuring optical phase difference; Determining degree of coherence; Measuring optical wavelength
    • G01J9/02—Measuring optical phase difference; Determining degree of coherence; Measuring optical wavelength by interferometric methods
    • G01J2009/0226—Fibres

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Optical Transform (AREA)
  • Instruments For Measurement Of Length By Optical Means (AREA)
  • Measuring Fluid Pressure (AREA)
  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
  • Gyroscopes (AREA)
  • Light Guides In General And Applications Therefor (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
FR8418398A 1984-12-03 1984-12-03 Capteur interferometrique a fibre optique Expired FR2574178B1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FR8418398A FR2574178B1 (fr) 1984-12-03 1984-12-03 Capteur interferometrique a fibre optique
EP85402374A EP0185582B1 (fr) 1984-12-03 1985-12-02 Capteur interférométrique à fibre optique
DE8585402374T DE3569823D1 (en) 1984-12-03 1985-12-02 Interferometric sensor using optical fibres
AT85402374T ATE42636T1 (de) 1984-12-03 1985-12-02 Interferometrischer fuehler mit optischer faser.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8418398A FR2574178B1 (fr) 1984-12-03 1984-12-03 Capteur interferometrique a fibre optique

Publications (2)

Publication Number Publication Date
FR2574178A1 FR2574178A1 (fr) 1986-06-06
FR2574178B1 true FR2574178B1 (fr) 1987-02-20

Family

ID=9310171

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8418398A Expired FR2574178B1 (fr) 1984-12-03 1984-12-03 Capteur interferometrique a fibre optique

Country Status (4)

Country Link
EP (1) EP0185582B1 (fr)
AT (1) ATE42636T1 (fr)
DE (1) DE3569823D1 (fr)
FR (1) FR2574178B1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3916276A1 (de) * 1989-05-19 1990-11-22 Betr Forsch Inst Angew Forsch Verfahren und vorrichtung zur interferometrischen detektion von oberflaechenverschiebungen bei festkoerpern
US5218419A (en) * 1990-03-19 1993-06-08 Eli Lilly And Company Fiberoptic interferometric sensor

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2136956B (en) * 1983-02-24 1986-04-30 British Telecomm Optical fibre interferometers

Also Published As

Publication number Publication date
ATE42636T1 (de) 1989-05-15
EP0185582B1 (fr) 1989-04-26
EP0185582A1 (fr) 1986-06-25
DE3569823D1 (en) 1989-06-01
FR2574178A1 (fr) 1986-06-06

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Legal Events

Date Code Title Description
ST Notification of lapse